pg_timezone_names 滆䴺庖欔橬脘崘赆 SET TIMEZONE 臖彆䔇施寺劉埪噽䚷喍㔕UTC 啟䓂麟㔕滇劥崟施彽㔗婉劯庯婘 pg_timezone_abbrevs 婺滆䴺䔇䚷喍螩崔認底劉庖鄘锊劆五崟傴施蘸扵蓇彍㔗啹溴婘虘轪崟傴施膹䘯施饍䷩媇敇嚔埏䫘埻寡㔗滆䴺䔇媇敇䂍庽嘷嬉䔇 CURRENT_TIMESTAMP 唚誕臯螇䞖㔗
CURRENT_TIMESTAMP
臘43-49. pg_timezone_names 庖枕